Need help booking?
Unpublished phone-only deals available
CPR to GNB: distance & flight time
Casper (Casper-Natrona County International Airport) → Grenoble (Grenoble-Isère Airport)
5,040 mi
8,110 km · 4,379 nm
10h 21m
estimated nonstop flight time
+8h
time difference · heading northeast
See live CPR→GNB fares Phone-only fares on this route — call free
Flight time details
5,040 miles nonstop takes roughly 10h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- CPR — Casper-Natrona County International Airport · Casper, United States
- GNB — Grenoble-Isère Airport · Grenoble, France
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 mi away
Near GNB
- LYS · Lyon Saint-Exupéry Airport28 mi away
- LYN · Lyon-Bron Airport31 mi away
- CMF · Chambéry-Savoie Airport33 mi away
- VAF · Valence-Chabeuil Airport35 mi away
Frequently asked questions
How far is CPR from GNB?
The flight distance from Casper (CPR) to Grenoble (GNB) is 5,040 miles (8,110 km, 4,379 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to GNB?
A nonstop flight takes about 10h 21m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Casper and Grenoble?
Grenoble is 8 hours ahead of Casper.
What is the cheapest way to fly from CPR to GNB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–GNB that never appear on search engines, with no booking fees.